Improvement in rope-clamps



T. PIMER. Improvement in Rope-Clamps'. 129,860. Patentedjuly 23,1872.

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i IMPROVEMENT IN ROPVE-CLAIVIPS.

Specification forming part of Letters Patent No. 129,860, dated July 23, 187.2.

Specification describing a certain Improvement in Couplings for Ropes and Gables, invented by THOMAS PmZER, residing at New London, in the county of New Loudon and State of Connecticut.

rIhe nature of my invention consists in pro- `viding a tubular coupling, composed of two or more sections hinged together, and closed to clamp a rope or cable by means of a movable collar in the shape of a nut or other device adapted to the purpose, the interior surfaces of the sections or jaws being constructed with spurs to enter the rope or cable as the jaws are closed upon it, or with rings, or'otheiwise-shapedprojections to compress the rope 'or cable so that 'it cannot be withdrawn.

Figure 1 represents an axial section of a i couplingadapted `to splice the ends ot' a rope or ropes together. Fig.`2 is an elevation thereof, the hinged jaw` at one end being i opened. Fig. 3 illustrates a clamp terminating at one end in a hook for attachment to a block or other device. Fig. 4 is a section thereof'.` U

The sameletters of reference are employed in all thegures in the designation of identical parts.

- `Where this device is simply to constitute a termination of a rope or cable to adapt it for ready attachment to, and disconnection from,

ablock or hook, it is composed of two sections, A and B, hinged together at a, the section or jaw A being constructed with a shank, A1, of suitable length, terminating in a hook or eye, A2. Each jaw is a half hollow cylinder, so that when they are closed together a cylindrical tube is formed for the reception .and retention of the end of a rope or cable. The interior surfaces of the jaws are provided with spurs O, which are best adapted for wirecables or otherwise formed projections, which shall either enter the material of the rope or cable or simplyv compress it sufciently to' prevent its withdrawal. The means shown for closing the jaws around the rope consist of a nutD, fitted on screw-threads chased upon the outer surfaces of the jaws. In Figs. l and 2 a couplingpor splice is shown composed of three sections and two nuts, so that the ends of ropes may be clamped in opposite ends of the coupling.` p

The clamp and coupling above described are adapted for all kindsof rigging, tackle,

bell-ropes, cables, &c. 

